996 resultados para Mesa gravitacional
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The performance of a spray boom can be evaluated from its individual nozzle distribution patterns determined in a patternator (test table), as discussed by Perecin et al. (1994). The distribution pattern of three nozzle types obtained in a patternator at six heights were compared in order to propose a formula for determining the variation coefficient. The simulation of a spray boom was conducted from individual nozzle distribution patterns, and obtained the random variation coefficients (RVC) and the systematic variation coefficients (SVC). The results showed good performance of the TF-SV4 nozzles, with CV smaller than 10%, for nozzle spacing as large as 50 cm. The TQ15006 nozzles showed high variability in the central region of the distribution pattern, resulting in high CV from nozzle spacings as narrow as 25 cm. The TJ60-11006 behaved as intermediate between TF-VS4 and TQ15006. The formula proposed for determining the variation coefficient is [(RVC) 2+(SVC) 2] 1/2.
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Incluye Bibliografía
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Contiene asistencia, organización de los trabajos: informe del ILPES sobre el período 1987-1988 y Nuevo Proyecto Institucional 1987- 1990; intervenciones de la Mesa Directiva en relación al programa de 1988 y al Nuevo Proyecto Institucional; programa futuro del Consejo Regional de Planificación
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Incluye Bibliografía
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Incluye Bibliografía
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Documento en inglés disponible en Biblioteca
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Documento en inglés disponible en Biblioteca